Home / 230,999.52-346,438.08-90,759.36

Finding the Fourth Proportional to 230,999.52, 346,438.08 and 90,759.36

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Solution

The fourth proportional to 230,999.52, 346,438.08 and 90,759.36 is: 136,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,999.52 : 346,438.08 = 90,759.36 : x
  2. Step 2: Convert to fraction form
    230,999.52/346,438.08 = 90,759.36/x
  3. Step 3: Cross multiply
    230,999.52x = 346,438.08 × 90,759.36
  4. Step 4: Simplify right side
    230,999.52x = 31,442,498,420.43
  5. Step 5: Solve for x
    x = 31,442,498,420.43/230,999.52
  6. Step 6: Final answer
    x = 136,114.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.